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|Title:||Effect of gas pressure on electron field emission from carbon nanotube forests||Authors:||Tsakadze, Z.L.
Chemical vapor deposition (CVD)
Electron field emission
|Issue Date:||Oct-2010||Citation:||Tsakadze, Z.L., Ostrikov, K., Sow, C.H., Mhaisalkar, S.G., Boey, Y.C. (2010-10). Effect of gas pressure on electron field emission from carbon nanotube forests. Journal of Nanoscience and Nanotechnology 10 (10) : 6575-6579. ScholarBank@NUS Repository. https://doi.org/10.1166/jnn.2010.2524||Abstract:||This article quantifies the effect of the operating pressure of the H 2 + C 2H 4 gas mixture on the current density and threshold voltage of the electron emission from dense forests of multiwalled carbon nanotubes synthesized using thermal catalytic Chemical Vapor Deposition under near atmospheric pressure process conditions. The results suggest that in the pressure range of interest 400-700 Torr the field emission properties can be substantially improved by operating the process at lower gas pressures when the nanostructure aspect ratios are higher. The obtained threshold voltage ∼1.75 V/μm and the emission current densities ∼10 mA/cm 2 offer competitive advantages compared with the results reported by other authors. Copyright © 2010 American Scientific Publishers.||Source Title:||Journal of Nanoscience and Nanotechnology||URI:||http://scholarbank.nus.edu.sg/handle/10635/96307||ISSN:||15334880||DOI:||10.1166/jnn.2010.2524|
|Appears in Collections:||Staff Publications|
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